An alternative Rayleigh wave excitation method using an ultrasonic phased array [0.03%]
一种利用超声相控阵的瑞利波激励新方法
Bhupesh Verma,Pierre Bélanger
Bhupesh Verma
Ultrasonic Rayleigh waves have been employed for in-service NDT inspection in a wide range of industries for years. The excitation of Rayleigh waves can be achieved using a variety of methods, with the so-called wedge technique being the mo...
Microstructure evolution of medium carbon steel during heat-assisted 3D ultrasonic vibration-assisted turning [0.03%]
中碳钢热辅助三维超声振动车削过程中的显微组织演变
Shiyu Wei,Ping Zou,Liting Fang et al.
Shiyu Wei et al.
Medium carbon steel is an excellent carbon structural steel, and is one of the most common materials for metal cutting. Little research has been done on the microstructural changes induced by thermal-force coupling. In this paper, a finite ...
Towards understanding the cutting temperature in ultrasonic vibration-assisted drilling based on the dynamic contact characteristics between the cutting edge and workpiece [0.03%]
基于切削刃与工件动态接触特性理解超声振动辅助钻削切削温度的影响机制研究
Yi-Jia Sun,Hu Gong,Shu-Yu Gui et al.
Yi-Jia Sun et al.
Compared with conventional drilling (CD), ultrasonic vibration-assisted drilling(UVAD) is experimentally proven a promising method to reduce the cutting temperature. But sometimes cutting temperature also becomes higher in UVAD than in CD. ...
Defect detection and identification for aircraft cable insulation layer based on deep forest [0.03%]
基于深度森林的飞机电缆绝缘层缺陷检测与识别
Qiuyu Wang,Mingkun Huang,Xiaocen Wang et al.
Qiuyu Wang et al.
Due to the special internal environment of aircraft, cable damage is inevitable, which usually starts from insulation layer defects and may cause major economic losses, and even seriously threaten the life of people on board. According to t...
The effect of microchannel height on the acoustophoretic motion of sub-micron particles [0.03%]
微通道高度对亚微米颗粒声学驱动运动的影响研究
Tsz Wai Lai,Thilhara Tennakoon,Ka Chung Chan et al.
Tsz Wai Lai et al.
Acoustophoresis is an effective technique for particle manipulation. Acoustic radiation force scales with particle volume, enabling size separation. Yet, isolating sub-micron particles remains a challenge due to the acoustic streaming effec...
Improved source localization in passive acoustic mapping using delay-multiply-and-sum beamforming with virtually augmented aperture [0.03%]
基于虚拟孔径扩展的延迟叠加求和波束形成在被动声图映射中的源定位性能改善方法
Che-Chou Shen,You-An Chen,Hsin-Yu Ku
Che-Chou Shen
High-intensity focused ultrasound (HIFU) is a promising non-invasive treatment method whose applications include tissue ablation, hemostasis, thrombolysis and blood-brain barrier opening etc. Its therapeutic effects come from the thermal ne...
Ray theory-based compounded plane wave ultrasound imaging for aberration corrected transcranial imaging: Phantom experiments and simulations [0.03%]
基于射线理论的复平面波超声成像校正颅骨散射失真：实体实验与模拟研究
Chen Jiang,Boyi Li,Linru Xie et al.
Chen Jiang et al.
Compounded plane wave imaging (CPWI) allows high-frame-rate measurement and has been one of the most promising modalities for real-time brain imaging. However, ultrasonic brain imaging using the CPWI modality is usually performed with a wor...
Rapid quantification of 3D ultrasound fields with wavefront sensing and Schlieren tomography [0.03%]
基于波前感测和谢勒层析的三维超声场快速定量技术
Mateu Colom,Pietro Ricci,Martí Duocastella
Mateu Colom
The rapid and precise characterization of three-dimensional (3D) pressure fields inside water is paramount for ultrasound (US) applications in fields as relevant as biomedicine and acoustic trapping. The most conventional way is to scan poi...
Notes on osculations and mode tracing in semi-analytical waveguide modeling [0.03%]
关于半解析波导模型中的振荡现象及模式轨迹的注记
Hauke Gravenkamp,Bor Plestenjak,Daniel A Kiefer
Hauke Gravenkamp
The dispersion curves of (elastic) waveguides frequently exhibit crossings and osculations (also known as veering, repulsion, or avoided crossing). Osculations are regions in the dispersion diagram where curves approach each other arbitrari...
Effect of longitudinal-bending elliptical ultrasonic vibration assistance on electrosurgical cutting and hemostasis [0.03%]
纵向弯曲椭圆超声振动辅助电切和止血效应研究
Guang Yao,Fei Wu,Margaret Lucas et al.
Guang Yao et al.
Electrosurgical devices are widely used for tissue cutting and hemostasis in minimally invasive surgery (MIS) for their high precision and low trauma. However, tissue adhesion and the resulting thermal injury can cause infection and impede ...